William Marshall Butler (born August 4, 1947) is a former American football linebacker.
Butler was born in Los Angeles in 1947.
[1][2] He was a Junior College All-American at Pierce and won All California Collegiate Association honors in 1969.
[3][4] In February 1970, Butler signed a professional football contract with the Denver Broncos of the National Football League (NFL).
He appeared in a total of 14 NFL games for the Broncos.